Measurement of e(+)e(-) -> D(D)over-bar cross sections at the psi(3770) resonance
文献类型:期刊论文
作者 | BESIII Collaboration |
刊名 | CHINESE PHYSICS C |
出版日期 | 2018 |
卷号 | 42期号:8页码:83001 |
ISSN号 | 1674-1137 |
关键词 | charm mesons cross sections BESIII/BEPCII |
DOI | 10.1088/1674-1137/42/8/083001 |
文献子类 | Article |
英文摘要 | We report new measurements of the cross sections for the production of D (D) over bar final states at the psi(3770) resonance. Our data sample consists of an integrated luminosity of 2.93 fb(-1) of e(+)e(-) annihilation data produced by the BEPCII collider and collected and analyzed with the BESIII detector. We exclusively reconstruct three D-0 and six D+ hadronic decay modes and use the ratio of the yield of fully reconstructed D (D) over bar events ("double tags") to the yield of all reconstructed D or (D) over bar mesons ("single tags") to determine the number of D-0(D) over bar (0) and D+D- events, benefiting from the cancellation of many systematic uncertainties. Combining these yields with an independent determination of the integrated luminosity of the data sample, we find the cross sections to be sigma(e(+)e(-) -> D-0(D) over bar (0)(-) )=(3.615 +/- 0.010 +/- 0.038) nb and sigma(e(+)e(-) -> D+D-)=(2.830 +/- 0.011 +/- 0.026) nb, where the uncertainties are statistical and systematic, respectively. |
电子版国际标准刊号 | 2058-6132 |
WOS关键词 | DECAY LIBRARY TAUOLA |
WOS研究方向 | Physics |
语种 | 英语 |
CSCD记录号 | CSCD:6289448 |
WOS记录号 | WOS:000440069200001 |
源URL | [http://ir.ihep.ac.cn/handle/311005/286154] |
专题 | 高能物理研究所_实验物理中心 |
作者单位 | 中国科学院高能物理研究所 |
推荐引用方式 GB/T 7714 | BESIII Collaboration. Measurement of e(+)e(-) -> D(D)over-bar cross sections at the psi(3770) resonance[J]. CHINESE PHYSICS C,2018,42(8):83001. |
APA | BESIII Collaboration.(2018).Measurement of e(+)e(-) -> D(D)over-bar cross sections at the psi(3770) resonance.CHINESE PHYSICS C,42(8),83001. |
MLA | BESIII Collaboration."Measurement of e(+)e(-) -> D(D)over-bar cross sections at the psi(3770) resonance".CHINESE PHYSICS C 42.8(2018):83001. |
入库方式: OAI收割
来源:高能物理研究所
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